#include "osg_utility.h"

#include <boost/iostreams/device/mapped_file.hpp>

#include <filesystem>

namespace fs = std::filesystem;

std::string load_shader(const std::string &shader_name) {
    using boost::iostreams::mapped_file;
    // TODO: load from current binary directory
    const fs::path shader_prefix = "/home/tpx/ext/project/DepthGuide/src/render_osg/shaders";
    const auto shader_path = shader_prefix / shader_name;
    const auto shader = mapped_file(shader_path);
    assert(shader.is_open());
    return {shader.const_data(), shader.size()};
}